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Research of Chaotic Block Cipher Algorithm Based on Logistic Map

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3 Author(s)
Fengjian Wang ; Dept. of Comput. Sci. & Technol., China Univ. of Min. & Technol., Xuzhou, China ; Yongping Zhang ; Tianjie Cao

Chaotic systems are sensitive to initial conditions and chaotic parameters, and the chaotic sequences are non-periodic and pseudo-random. In recent years, chaotic systems are researched more in the field of cryptography. The paper produces chaotic stream based on logistic mapping, the application of chaos in block cipher is researched. An encryption algorithm is proposed in this paper. In the algorithm, logistic mapping's system parameter is produced by m-sequence, and using another m-sequence's perturbation to increase the period of logistic mapping sequence. There is also output feedback mechanism in the algorithm. According to experimental simulation and analysis, it implies that the algorithm has high security.

Published in:

Intelligent Computation Technology and Automation, 2009. ICICTA '09. Second International Conference on  (Volume:1 )

Date of Conference:

10-11 Oct. 2009